1072404 has 18 divisors (see below), whose sum is σ = 2710890. Its totient is φ = 357456.

The previous prime is 1072397. The next prime is 1072429. The reversal of 1072404 is 4042701.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 636804 + 435600 = 798^2 + 660^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14859 + ... + 14930.

It is an arithmetic number, because the mean of its divisors is an integer number (150605).

2^1072404 is an apocalyptic number.

It is an amenable number.

1072404 is an abundant number, since it is smaller than the sum of its proper divisors (1638486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1072404 is a wasteful number, since it uses less digits than its factorization.

1072404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29799 (or 29794 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1072404 is about 1035.5694085864. The cubic root of 1072404 is about 102.3574540455.

The spelling of 1072404 in words is "one million, seventy-two thousand, four hundred four".